388820848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 855945216

約数和(自身を除く): 467124368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 496, 611, 752, 806, 1222, 1283, 1457, 1612, 2444, 2566, 2914, 3224, 4888, 5132, 5828, 6448, 9776, 10264, 11656, 16679, 18941, 20528, 23312, 33358, 37882, 39773, 60301, 66716, 75764, 79546, 120602, 133432, 151528, 159092, 241204, 266864, 303056, 318184, 482408, 517049, 636368, 783913, 964816, 1034098, 1567826, 1869331, 2068196, 3135652, 3738662, 4136392, 6271304, 7477324, 8272784, 12542608, 14954648, 24301303, 29909296, 48602606, 97205212, 194410424, 388820848]

約数ペア:

[(1, 388820848), (2, 194410424), (4, 97205212), (8, 48602606), (13, 29909296), (16, 24301303), (26, 14954648), (31, 12542608), (47, 8272784), (52, 7477324), (62, 6271304), (94, 4136392), (104, 3738662), (124, 3135652), (188, 2068196), (208, 1869331), (248, 1567826), (376, 1034098), (403, 964816), (496, 783913), (611, 636368), (752, 517049), (806, 482408), (1222, 318184), (1283, 303056), (1457, 266864), (1612, 241204), (2444, 159092), (2566, 151528), (2914, 133432), (3224, 120602), (4888, 79546), (5132, 75764), (5828, 66716), (6448, 60301), (9776, 39773), (10264, 37882), (11656, 33358), (16679, 23312), (18941, 20528)]