398074872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 1103558400

約数和(自身を除く): 705483528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 137, 139, 156, 201, 268, 274, 278, 312, 402, 411, 417, 536, 548, 556, 804, 822, 834, 871, 1096, 1112, 1608, 1644, 1668, 1742, 1781, 1807, 2613, 3288, 3336, 3484, 3562, 3614, 5226, 5343, 5421, 6968, 7124, 7228, 9179, 9313, 10452, 10686, 10842, 14248, 14456, 18358, 18626, 19043, 20904, 21372, 21684, 27537, 27939, 36716, 37252, 38086, 42744, 43368, 55074, 55878, 57129, 73432, 74504, 76172, 110148, 111756, 114258, 119327, 121069, 152344, 220296, 223512, 228516, 238654, 242138, 247559, 357981, 363207, 457032, 477308, 484276, 495118, 715962, 726414, 742677, 954616, 968552, 990236, 1275881, 1431924, 1452828, 1485354, 1980472, 2551762, 2863848, 2905656, 2970708, 3827643, 5103524, 5941416, 7655286, 10207048, 15310572, 16586453, 30621144, 33172906, 49759359, 66345812, 99518718, 132691624, 199037436, 398074872]

約数ペア:

[(1, 398074872), (2, 199037436), (3, 132691624), (4, 99518718), (6, 66345812), (8, 49759359), (12, 33172906), (13, 30621144), (24, 16586453), (26, 15310572), (39, 10207048), (52, 7655286), (67, 5941416), (78, 5103524), (104, 3827643), (134, 2970708), (137, 2905656), (139, 2863848), (156, 2551762), (201, 1980472), (268, 1485354), (274, 1452828), (278, 1431924), (312, 1275881), (402, 990236), (411, 968552), (417, 954616), (536, 742677), (548, 726414), (556, 715962), (804, 495118), (822, 484276), (834, 477308), (871, 457032), (1096, 363207), (1112, 357981), (1608, 247559), (1644, 242138), (1668, 238654), (1742, 228516), (1781, 223512), (1807, 220296), (2613, 152344), (3288, 121069), (3336, 119327), (3484, 114258), (3562, 111756), (3614, 110148), (5226, 76172), (5343, 74504), (5421, 73432), (6968, 57129), (7124, 55878), (7228, 55074), (9179, 43368), (9313, 42744), (10452, 38086), (10686, 37252), (10842, 36716), (14248, 27939), (14456, 27537), (18358, 21684), (18626, 21372), (19043, 20904)]