31553470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 65245824

約数和(自身を除く): 33692354

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 61, 65, 115, 122, 130, 173, 230, 299, 305, 346, 598, 610, 793, 865, 1403, 1495, 1586, 1730, 2249, 2806, 2990, 3965, 3979, 4498, 7015, 7930, 7958, 10553, 11245, 14030, 18239, 19895, 21106, 22490, 36478, 39790, 51727, 52765, 91195, 103454, 105530, 137189, 182390, 242719, 258635, 274378, 485438, 517270, 685945, 1213595, 1371890, 2427190, 3155347, 6310694, 15776735, 31553470]

約数ペア:

[(1, 31553470), (2, 15776735), (5, 6310694), (10, 3155347), (13, 2427190), (23, 1371890), (26, 1213595), (46, 685945), (61, 517270), (65, 485438), (115, 274378), (122, 258635), (130, 242719), (173, 182390), (230, 137189), (299, 105530), (305, 103454), (346, 91195), (598, 52765), (610, 51727), (793, 39790), (865, 36478), (1403, 22490), (1495, 21106), (1586, 19895), (1730, 18239), (2249, 14030), (2806, 11245), (2990, 10553), (3965, 7958), (3979, 7930), (4498, 7015)]