72917936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 176947008

約数和(自身を除く): 104029072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 821, 854, 976, 1456, 1586, 1642, 1708, 3172, 3284, 3416, 5551, 5747, 6344, 6568, 6832, 10673, 11102, 11494, 12688, 13136, 21346, 22204, 22988, 42692, 44408, 45976, 50081, 74711, 85384, 88816, 91952, 100162, 149422, 170768, 200324, 298844, 350567, 400648, 597688, 651053, 701134, 801296, 1195376, 1302106, 1402268, 2604212, 2804536, 4557371, 5208424, 5609072, 9114742, 10416848, 18229484, 36458968, 72917936]

約数ペア:

[(1, 72917936), (2, 36458968), (4, 18229484), (7, 10416848), (8, 9114742), (13, 5609072), (14, 5208424), (16, 4557371), (26, 2804536), (28, 2604212), (52, 1402268), (56, 1302106), (61, 1195376), (91, 801296), (104, 701134), (112, 651053), (122, 597688), (182, 400648), (208, 350567), (244, 298844), (364, 200324), (427, 170768), (488, 149422), (728, 100162), (793, 91952), (821, 88816), (854, 85384), (976, 74711), (1456, 50081), (1586, 45976), (1642, 44408), (1708, 42692), (3172, 22988), (3284, 22204), (3416, 21346), (5551, 13136), (5747, 12688), (6344, 11494), (6568, 11102), (6832, 10673)]