28776972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 80898048

約数和(自身を除く): 52121076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 47, 74, 84, 94, 111, 141, 148, 188, 197, 222, 259, 282, 329, 394, 444, 518, 564, 591, 658, 777, 788, 987, 1036, 1182, 1316, 1379, 1554, 1739, 1974, 2364, 2758, 3108, 3478, 3948, 4137, 5217, 5516, 6956, 7289, 8274, 9259, 10434, 12173, 14578, 16548, 18518, 20868, 21867, 24346, 27777, 29156, 36519, 37036, 43734, 48692, 51023, 55554, 64813, 73038, 87468, 102046, 111108, 129626, 146076, 153069, 194439, 204092, 259252, 306138, 342583, 388878, 612276, 685166, 777756, 1027749, 1370332, 2055498, 2398081, 4110996, 4796162, 7194243, 9592324, 14388486, 28776972]

約数ペア:

[(1, 28776972), (2, 14388486), (3, 9592324), (4, 7194243), (6, 4796162), (7, 4110996), (12, 2398081), (14, 2055498), (21, 1370332), (28, 1027749), (37, 777756), (42, 685166), (47, 612276), (74, 388878), (84, 342583), (94, 306138), (111, 259252), (141, 204092), (148, 194439), (188, 153069), (197, 146076), (222, 129626), (259, 111108), (282, 102046), (329, 87468), (394, 73038), (444, 64813), (518, 55554), (564, 51023), (591, 48692), (658, 43734), (777, 37036), (788, 36519), (987, 29156), (1036, 27777), (1182, 24346), (1316, 21867), (1379, 20868), (1554, 18518), (1739, 16548), (1974, 14578), (2364, 12173), (2758, 10434), (3108, 9259), (3478, 8274), (3948, 7289), (4137, 6956), (5217, 5516)]