81802630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 182464128

約数和(自身を除く): 100661498

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 241, 373, 455, 482, 746, 910, 1205, 1687, 1865, 2410, 2611, 3133, 3374, 3730, 4849, 5222, 6266, 8435, 9698, 13055, 15665, 16870, 21931, 24245, 26110, 31330, 33943, 43862, 48490, 67886, 89893, 109655, 169715, 179786, 219310, 339430, 449465, 629251, 898930, 1168609, 1258502, 2337218, 3146255, 5843045, 6292510, 8180263, 11686090, 16360526, 40901315, 81802630]

約数ペア:

[(1, 81802630), (2, 40901315), (5, 16360526), (7, 11686090), (10, 8180263), (13, 6292510), (14, 5843045), (26, 3146255), (35, 2337218), (65, 1258502), (70, 1168609), (91, 898930), (130, 629251), (182, 449465), (241, 339430), (373, 219310), (455, 179786), (482, 169715), (746, 109655), (910, 89893), (1205, 67886), (1687, 48490), (1865, 43862), (2410, 33943), (2611, 31330), (3133, 26110), (3374, 24245), (3730, 21931), (4849, 16870), (5222, 15665), (6266, 13055), (8435, 9698)]