71045975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 125991936

約数和(自身を除く): 54945961

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 55, 65, 77, 85, 91, 119, 143, 167, 175, 187, 221, 275, 325, 385, 425, 455, 595, 715, 835, 935, 1001, 1105, 1169, 1309, 1547, 1837, 1925, 2171, 2275, 2431, 2839, 2975, 3575, 4175, 4675, 5005, 5525, 5845, 6545, 7735, 9185, 10855, 12155, 12859, 14195, 15197, 17017, 19873, 23881, 25025, 29225, 31229, 32725, 36907, 38675, 45925, 54275, 60775, 64295, 70975, 75985, 85085, 99365, 119405, 156145, 167167, 184535, 218603, 258349, 321475, 379925, 405977, 425425, 496825, 597025, 780725, 835835, 922675, 1093015, 1291745, 2029885, 2841839, 4179175, 5465075, 6458725, 10149425, 14209195, 71045975]

約数ペア:

[(1, 71045975), (5, 14209195), (7, 10149425), (11, 6458725), (13, 5465075), (17, 4179175), (25, 2841839), (35, 2029885), (55, 1291745), (65, 1093015), (77, 922675), (85, 835835), (91, 780725), (119, 597025), (143, 496825), (167, 425425), (175, 405977), (187, 379925), (221, 321475), (275, 258349), (325, 218603), (385, 184535), (425, 167167), (455, 156145), (595, 119405), (715, 99365), (835, 85085), (935, 75985), (1001, 70975), (1105, 64295), (1169, 60775), (1309, 54275), (1547, 45925), (1837, 38675), (1925, 36907), (2171, 32725), (2275, 31229), (2431, 29225), (2839, 25025), (2975, 23881), (3575, 19873), (4175, 17017), (4675, 15197), (5005, 14195), (5525, 12859), (5845, 12155), (6545, 10855), (7735, 9185)]