645586812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19429}}^1$

素因数の和:19523

約数の個数: 72

約数和(自身を含む): 1782275040

約数和(自身を除く): 1136688228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 11076, 16614, 19429, 33228, 38858, 58287, 77716, 116574, 174861, 233148, 252577, 349722, 505154, 699444, 757731, 1010308, 1379459, 1515462, 2273193, 2758918, 3030924, 4138377, 4546386, 5517836, 8276754, 9092772, 12415131, 16553508, 17932967, 24830262, 35865934, 49660524, 53798901, 71731868, 107597802, 161396703, 215195604, 322793406, 645586812]

約数ペア:

[(1, 645586812), (2, 322793406), (3, 215195604), (4, 161396703), (6, 107597802), (9, 71731868), (12, 53798901), (13, 49660524), (18, 35865934), (26, 24830262), (36, 17932967), (39, 16553508), (52, 12415131), (71, 9092772), (78, 8276754), (117, 5517836), (142, 4546386), (156, 4138377), (213, 3030924), (234, 2758918), (284, 2273193), (426, 1515462), (468, 1379459), (639, 1010308), (852, 757731), (923, 699444), (1278, 505154), (1846, 349722), (2556, 252577), (2769, 233148), (3692, 174861), (5538, 116574), (8307, 77716), (11076, 58287), (16614, 38858), (19429, 33228)]