74201855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 118879488

約数和(自身を除く): 44677633

約数列:

[1, 5, 7, 13, 17, 35, 53, 65, 85, 91, 119, 181, 221, 265, 371, 455, 595, 689, 901, 905, 1105, 1267, 1547, 1855, 2353, 3077, 3445, 4505, 4823, 6307, 6335, 7735, 9593, 11713, 11765, 15385, 16471, 21539, 24115, 31535, 40001, 47965, 58565, 67151, 81991, 82355, 107695, 124709, 163081, 200005, 280007, 335755, 409955, 623545, 815405, 872963, 1141567, 1400035, 2120053, 4364815, 5707835, 10600265, 14840371, 74201855]

約数ペア:

[(1, 74201855), (5, 14840371), (7, 10600265), (13, 5707835), (17, 4364815), (35, 2120053), (53, 1400035), (65, 1141567), (85, 872963), (91, 815405), (119, 623545), (181, 409955), (221, 335755), (265, 280007), (371, 200005), (455, 163081), (595, 124709), (689, 107695), (901, 82355), (905, 81991), (1105, 67151), (1267, 58565), (1547, 47965), (1855, 40001), (2353, 31535), (3077, 24115), (3445, 21539), (4505, 16471), (4823, 15385), (6307, 11765), (6335, 11713), (7735, 9593)]