28820988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 86822400

約数和(自身を除く): 58001412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 67, 84, 108, 126, 134, 189, 201, 252, 268, 378, 402, 469, 569, 603, 756, 804, 938, 1138, 1206, 1407, 1707, 1809, 1876, 2276, 2412, 2814, 3414, 3618, 3983, 4221, 5121, 5628, 6828, 7236, 7966, 8442, 10242, 11949, 12663, 15363, 15932, 16884, 20484, 23898, 25326, 30726, 35847, 38123, 47796, 50652, 61452, 71694, 76246, 107541, 114369, 143388, 152492, 215082, 228738, 266861, 343107, 430164, 457476, 533722, 686214, 800583, 1029321, 1067444, 1372428, 1601166, 2058642, 2401749, 3202332, 4117284, 4803498, 7205247, 9606996, 14410494, 28820988]

約数ペア:

[(1, 28820988), (2, 14410494), (3, 9606996), (4, 7205247), (6, 4803498), (7, 4117284), (9, 3202332), (12, 2401749), (14, 2058642), (18, 1601166), (21, 1372428), (27, 1067444), (28, 1029321), (36, 800583), (42, 686214), (54, 533722), (63, 457476), (67, 430164), (84, 343107), (108, 266861), (126, 228738), (134, 215082), (189, 152492), (201, 143388), (252, 114369), (268, 107541), (378, 76246), (402, 71694), (469, 61452), (569, 50652), (603, 47796), (756, 38123), (804, 35847), (938, 30726), (1138, 25326), (1206, 23898), (1407, 20484), (1707, 16884), (1809, 15932), (1876, 15363), (2276, 12663), (2412, 11949), (2814, 10242), (3414, 8442), (3618, 7966), (3983, 7236), (4221, 6828), (5121, 5628)]