28160964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3167}}^1$

素因数の和:3209

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 52559676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3167, 4446, 6334, 8892, 9501, 12668, 19002, 28503, 38004, 41171, 57006, 60173, 82342, 114012, 120346, 123513, 164684, 180519, 240692, 247026, 361038, 370539, 494052, 541557, 722076, 741078, 782249, 1083114, 1482156, 1564498, 2166228, 2346747, 3128996, 4693494, 7040241, 9386988, 14080482, 28160964]

約数ペア:

[(1, 28160964), (2, 14080482), (3, 9386988), (4, 7040241), (6, 4693494), (9, 3128996), (12, 2346747), (13, 2166228), (18, 1564498), (19, 1482156), (26, 1083114), (36, 782249), (38, 741078), (39, 722076), (52, 541557), (57, 494052), (76, 370539), (78, 361038), (114, 247026), (117, 240692), (156, 180519), (171, 164684), (228, 123513), (234, 120346), (247, 114012), (342, 82342), (468, 60173), (494, 57006), (684, 41171), (741, 38004), (988, 28503), (1482, 19002), (2223, 12668), (2964, 9501), (3167, 8892), (4446, 6334)]