9704781580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{611903}}^1$

素因数の和:611986

約数の個数: 48

約数和(自身を含む): 22307572224

約数和(自身を除く): 12602790644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 611903, 1223806, 2447612, 3059515, 6119030, 7954739, 12238060, 15909478, 31818956, 37326083, 39773695, 74652166, 79547390, 149304332, 159094780, 186630415, 373260830, 485239079, 746521660, 970478158, 1940956316, 2426195395, 4852390790, 9704781580]

約数ペア:

[(1, 9704781580), (2, 4852390790), (4, 2426195395), (5, 1940956316), (10, 970478158), (13, 746521660), (20, 485239079), (26, 373260830), (52, 186630415), (61, 159094780), (65, 149304332), (122, 79547390), (130, 74652166), (244, 39773695), (260, 37326083), (305, 31818956), (610, 15909478), (793, 12238060), (1220, 7954739), (1586, 6119030), (3172, 3059515), (3965, 2447612), (7930, 1223806), (15860, 611903)]