809331380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6581}}^1$

素因数の和:6657

約数の個数: 96

約数和(自身を含む): 2043474048

約数和(自身を除く): 1234142668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 215, 220, 260, 286, 430, 473, 559, 572, 715, 860, 946, 1118, 1430, 1892, 2236, 2365, 2795, 2860, 4730, 5590, 6149, 6581, 9460, 11180, 12298, 13162, 24596, 26324, 30745, 32905, 61490, 65810, 72391, 85553, 122980, 131620, 144782, 171106, 282983, 289564, 342212, 361955, 427765, 565966, 723910, 855530, 941083, 1131932, 1414915, 1447820, 1711060, 1882166, 2829830, 3112813, 3678779, 3764332, 4705415, 5659660, 6225626, 7357558, 9410830, 12451252, 14715116, 15564065, 18393895, 18821660, 31128130, 36787790, 40466569, 62256260, 73575580, 80933138, 161866276, 202332845, 404665690, 809331380]

約数ペア:

[(1, 809331380), (2, 404665690), (4, 202332845), (5, 161866276), (10, 80933138), (11, 73575580), (13, 62256260), (20, 40466569), (22, 36787790), (26, 31128130), (43, 18821660), (44, 18393895), (52, 15564065), (55, 14715116), (65, 12451252), (86, 9410830), (110, 7357558), (130, 6225626), (143, 5659660), (172, 4705415), (215, 3764332), (220, 3678779), (260, 3112813), (286, 2829830), (430, 1882166), (473, 1711060), (559, 1447820), (572, 1414915), (715, 1131932), (860, 941083), (946, 855530), (1118, 723910), (1430, 565966), (1892, 427765), (2236, 361955), (2365, 342212), (2795, 289564), (2860, 282983), (4730, 171106), (5590, 144782), (6149, 131620), (6581, 122980), (9460, 85553), (11180, 72391), (12298, 65810), (13162, 61490), (24596, 32905), (26324, 30745)]