28902996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 77523264

約数和(自身を除く): 48620268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 67, 69, 92, 134, 138, 201, 207, 268, 276, 402, 414, 521, 603, 804, 828, 1042, 1206, 1541, 1563, 2084, 2412, 3082, 3126, 4623, 4689, 6164, 6252, 9246, 9378, 11983, 13869, 18492, 18756, 23966, 27738, 34907, 35949, 47932, 55476, 69814, 71898, 104721, 107847, 139628, 143796, 209442, 215694, 314163, 418884, 431388, 628326, 802861, 1256652, 1605722, 2408583, 3211444, 4817166, 7225749, 9634332, 14451498, 28902996]

約数ペア:

[(1, 28902996), (2, 14451498), (3, 9634332), (4, 7225749), (6, 4817166), (9, 3211444), (12, 2408583), (18, 1605722), (23, 1256652), (36, 802861), (46, 628326), (67, 431388), (69, 418884), (92, 314163), (134, 215694), (138, 209442), (201, 143796), (207, 139628), (268, 107847), (276, 104721), (402, 71898), (414, 69814), (521, 55476), (603, 47932), (804, 35949), (828, 34907), (1042, 27738), (1206, 23966), (1541, 18756), (1563, 18492), (2084, 13869), (2412, 11983), (3082, 9378), (3126, 9246), (4623, 6252), (4689, 6164)]