398079108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1278

約数の個数: 144

約数和(自身を含む): 1228631040

約数和(自身を除く): 830551932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 71, 76, 84, 114, 126, 133, 142, 171, 213, 228, 252, 266, 284, 342, 399, 426, 497, 532, 639, 684, 798, 852, 994, 1171, 1197, 1278, 1349, 1491, 1596, 1988, 2342, 2394, 2556, 2698, 2982, 3513, 4047, 4473, 4684, 4788, 5396, 5964, 7026, 8094, 8197, 8946, 9443, 10539, 12141, 14052, 16188, 16394, 17892, 18886, 21078, 22249, 24282, 24591, 28329, 32788, 37772, 42156, 44498, 48564, 49182, 56658, 66747, 73773, 83141, 84987, 88996, 98364, 113316, 133494, 147546, 155743, 166282, 169974, 200241, 249423, 266988, 295092, 311486, 332564, 339948, 400482, 467229, 498846, 581987, 622972, 748269, 800964, 934458, 997692, 1163974, 1401687, 1496538, 1579679, 1745961, 1868916, 2327948, 2803374, 2993076, 3159358, 3491922, 4739037, 5237883, 5606748, 6318716, 6983844, 9478074, 10475766, 11057753, 14217111, 18956148, 20951532, 22115506, 28434222, 33173259, 44231012, 56868444, 66346518, 99519777, 132693036, 199039554, 398079108]

約数ペア:

[(1, 398079108), (2, 199039554), (3, 132693036), (4, 99519777), (6, 66346518), (7, 56868444), (9, 44231012), (12, 33173259), (14, 28434222), (18, 22115506), (19, 20951532), (21, 18956148), (28, 14217111), (36, 11057753), (38, 10475766), (42, 9478074), (57, 6983844), (63, 6318716), (71, 5606748), (76, 5237883), (84, 4739037), (114, 3491922), (126, 3159358), (133, 2993076), (142, 2803374), (171, 2327948), (213, 1868916), (228, 1745961), (252, 1579679), (266, 1496538), (284, 1401687), (342, 1163974), (399, 997692), (426, 934458), (497, 800964), (532, 748269), (639, 622972), (684, 581987), (798, 498846), (852, 467229), (994, 400482), (1171, 339948), (1197, 332564), (1278, 311486), (1349, 295092), (1491, 266988), (1596, 249423), (1988, 200241), (2342, 169974), (2394, 166282), (2556, 155743), (2698, 147546), (2982, 133494), (3513, 113316), (4047, 98364), (4473, 88996), (4684, 84987), (4788, 83141), (5396, 73773), (5964, 66747), (7026, 56658), (8094, 49182), (8197, 48564), (8946, 44498), (9443, 42156), (10539, 37772), (12141, 32788), (14052, 28329), (16188, 24591), (16394, 24282), (17892, 22249), (18886, 21078)]