631490704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 1402410240

約数和(自身を除く): 770919536

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 271, 272, 442, 542, 659, 884, 1084, 1318, 1768, 2168, 2636, 3523, 3536, 4336, 4607, 5272, 7046, 8567, 9214, 10544, 11203, 14092, 17134, 18428, 22406, 28184, 34268, 36856, 44812, 56368, 59891, 68536, 73712, 89624, 119782, 137072, 145639, 178589, 179248, 239564, 291278, 357178, 479128, 582556, 714356, 958256, 1165112, 1428712, 2321657, 2330224, 2857424, 3036013, 4643314, 6072026, 9286628, 12144052, 18573256, 24288104, 37146512, 39468169, 48576208, 78936338, 157872676, 315745352, 631490704]

約数ペア:

[(1, 631490704), (2, 315745352), (4, 157872676), (8, 78936338), (13, 48576208), (16, 39468169), (17, 37146512), (26, 24288104), (34, 18573256), (52, 12144052), (68, 9286628), (104, 6072026), (136, 4643314), (208, 3036013), (221, 2857424), (271, 2330224), (272, 2321657), (442, 1428712), (542, 1165112), (659, 958256), (884, 714356), (1084, 582556), (1318, 479128), (1768, 357178), (2168, 291278), (2636, 239564), (3523, 179248), (3536, 178589), (4336, 145639), (4607, 137072), (5272, 119782), (7046, 89624), (8567, 73712), (9214, 68536), (10544, 59891), (11203, 56368), (14092, 44812), (17134, 36856), (18428, 34268), (22406, 28184)]