251507264001

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{3557}}^1$

素因数の和:4694

約数の個数: 64

約数和(自身を含む): 397421199360

約数和(自身を除く): 145913935359

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 497, 987, 1009, 1491, 3027, 3337, 3557, 7063, 10011, 10671, 21189, 23359, 24899, 47423, 70077, 71639, 74697, 142269, 167179, 214917, 252547, 331961, 501473, 501537, 757641, 995883, 1170253, 1504419, 1767829, 3367033, 3510759, 3589013, 5303487, 10101099, 10767039, 11869709, 23569231, 25123091, 35609127, 70707693, 75369273, 83087963, 168683611, 249263889, 254819923, 506050833, 764459769, 1180785277, 1783739461, 3542355831, 5351218383, 11976536381, 35929609143, 83835754667, 251507264001]

約数ペア:

[(1, 251507264001), (3, 83835754667), (7, 35929609143), (21, 11976536381), (47, 5351218383), (71, 3542355831), (141, 1783739461), (213, 1180785277), (329, 764459769), (497, 506050833), (987, 254819923), (1009, 249263889), (1491, 168683611), (3027, 83087963), (3337, 75369273), (3557, 70707693), (7063, 35609127), (10011, 25123091), (10671, 23569231), (21189, 11869709), (23359, 10767039), (24899, 10101099), (47423, 5303487), (70077, 3589013), (71639, 3510759), (74697, 3367033), (142269, 1767829), (167179, 1504419), (214917, 1170253), (252547, 995883), (331961, 757641), (501473, 501537)]