81584870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 163109376

約数和(自身を除く): 81524506

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 113, 137, 155, 170, 226, 274, 310, 527, 565, 685, 1054, 1130, 1370, 1921, 2329, 2635, 3503, 3842, 4247, 4658, 5270, 7006, 8494, 9605, 11645, 15481, 17515, 19210, 21235, 23290, 30962, 35030, 42470, 59551, 72199, 77405, 119102, 144398, 154810, 263177, 297755, 360995, 479911, 526354, 595510, 721990, 959822, 1315885, 2399555, 2631770, 4799110, 8158487, 16316974, 40792435, 81584870]

約数ペア:

[(1, 81584870), (2, 40792435), (5, 16316974), (10, 8158487), (17, 4799110), (31, 2631770), (34, 2399555), (62, 1315885), (85, 959822), (113, 721990), (137, 595510), (155, 526354), (170, 479911), (226, 360995), (274, 297755), (310, 263177), (527, 154810), (565, 144398), (685, 119102), (1054, 77405), (1130, 72199), (1370, 59551), (1921, 42470), (2329, 35030), (2635, 30962), (3503, 23290), (3842, 21235), (4247, 19210), (4658, 17515), (5270, 15481), (7006, 11645), (8494, 9605)]