216226790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 438552576

約数和(自身を除く): 222325786

約数列:

[1, 2, 5, 10, 13, 26, 43, 47, 65, 86, 94, 130, 215, 235, 430, 470, 559, 611, 823, 1118, 1222, 1646, 2021, 2795, 3055, 4042, 4115, 5590, 6110, 8230, 10105, 10699, 20210, 21398, 26273, 35389, 38681, 52546, 53495, 70778, 77362, 106990, 131365, 176945, 193405, 262730, 353890, 386810, 460057, 502853, 920114, 1005706, 1663283, 2300285, 2514265, 3326566, 4600570, 5028530, 8316415, 16632830, 21622679, 43245358, 108113395, 216226790]

約数ペア:

[(1, 216226790), (2, 108113395), (5, 43245358), (10, 21622679), (13, 16632830), (26, 8316415), (43, 5028530), (47, 4600570), (65, 3326566), (86, 2514265), (94, 2300285), (130, 1663283), (215, 1005706), (235, 920114), (430, 502853), (470, 460057), (559, 386810), (611, 353890), (823, 262730), (1118, 193405), (1222, 176945), (1646, 131365), (2021, 106990), (2795, 77362), (3055, 70778), (4042, 53495), (4115, 52546), (5590, 38681), (6110, 35389), (8230, 26273), (10105, 21398), (10699, 20210)]