255830796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{827}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 698325264

約数和(自身を除く): 442494468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 661, 827, 1322, 1654, 1983, 2481, 2644, 3308, 3966, 4962, 5949, 7443, 7932, 8593, 9924, 10751, 11898, 14886, 17186, 21502, 23796, 25779, 29772, 32253, 34372, 43004, 51558, 64506, 77337, 96759, 103116, 129012, 154674, 193518, 309348, 387036, 546647, 1093294, 1639941, 2186588, 3279882, 4919823, 6559764, 7106411, 9839646, 14212822, 19679292, 21319233, 28425644, 42638466, 63957699, 85276932, 127915398, 255830796]

約数ペア:

[(1, 255830796), (2, 127915398), (3, 85276932), (4, 63957699), (6, 42638466), (9, 28425644), (12, 21319233), (13, 19679292), (18, 14212822), (26, 9839646), (36, 7106411), (39, 6559764), (52, 4919823), (78, 3279882), (117, 2186588), (156, 1639941), (234, 1093294), (468, 546647), (661, 387036), (827, 309348), (1322, 193518), (1654, 154674), (1983, 129012), (2481, 103116), (2644, 96759), (3308, 77337), (3966, 64506), (4962, 51558), (5949, 43004), (7443, 34372), (7932, 32253), (8593, 29772), (9924, 25779), (10751, 23796), (11898, 21502), (14886, 17186)]