491280036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{165749}}^1$

素因数の和:165788

約数の個数: 48

約数和(自身を含む): 1299480000

約数和(自身を除く): 808199964

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 165749, 331498, 497247, 662996, 994494, 1988988, 2154737, 3149231, 4309474, 6298462, 6464211, 8618948, 9447693, 12596924, 12928422, 18895386, 25856844, 37790772, 40940003, 81880006, 122820009, 163760012, 245640018, 491280036]

約数ペア:

[(1, 491280036), (2, 245640018), (3, 163760012), (4, 122820009), (6, 81880006), (12, 40940003), (13, 37790772), (19, 25856844), (26, 18895386), (38, 12928422), (39, 12596924), (52, 9447693), (57, 8618948), (76, 6464211), (78, 6298462), (114, 4309474), (156, 3149231), (228, 2154737), (247, 1988988), (494, 994494), (741, 662996), (988, 497247), (1482, 331498), (2964, 165749)]