1291275545

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 1972325376

約数和(自身を除く): 681049831

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 157, 161, 391, 595, 601, 785, 805, 1099, 1955, 2669, 2737, 3005, 3611, 4207, 5495, 10217, 13345, 13685, 13823, 18055, 18683, 21035, 25277, 51085, 61387, 69115, 71519, 93415, 94357, 96761, 126385, 234991, 306935, 357595, 429709, 471785, 483805, 660499, 1174955, 1604069, 1644937, 2148545, 2170211, 3302495, 8020345, 8224685, 10851055, 11228483, 15191477, 36893587, 56142415, 75957385, 184467935, 258255109, 1291275545]

約数ペア:

[(1, 1291275545), (5, 258255109), (7, 184467935), (17, 75957385), (23, 56142415), (35, 36893587), (85, 15191477), (115, 11228483), (119, 10851055), (157, 8224685), (161, 8020345), (391, 3302495), (595, 2170211), (601, 2148545), (785, 1644937), (805, 1604069), (1099, 1174955), (1955, 660499), (2669, 483805), (2737, 471785), (3005, 429709), (3611, 357595), (4207, 306935), (5495, 234991), (10217, 126385), (13345, 96761), (13685, 94357), (13823, 93415), (18055, 71519), (18683, 69115), (21035, 61387), (25277, 51085)]