278809596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20543}}^1$

素因数の和:20595

約数の個数: 72

約数和(自身を含む): 785191680

約数和(自身を除く): 506382084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13572, 20543, 41086, 61629, 82172, 123258, 184887, 246516, 267059, 369774, 534118, 595747, 739548, 801177, 1068236, 1191494, 1602354, 1787241, 2382988, 2403531, 3204708, 3574482, 4807062, 5361723, 7148964, 7744711, 9614124, 10723446, 15489422, 21446892, 23234133, 30978844, 46468266, 69702399, 92936532, 139404798, 278809596]

約数ペア:

[(1, 278809596), (2, 139404798), (3, 92936532), (4, 69702399), (6, 46468266), (9, 30978844), (12, 23234133), (13, 21446892), (18, 15489422), (26, 10723446), (29, 9614124), (36, 7744711), (39, 7148964), (52, 5361723), (58, 4807062), (78, 3574482), (87, 3204708), (116, 2403531), (117, 2382988), (156, 1787241), (174, 1602354), (234, 1191494), (261, 1068236), (348, 801177), (377, 739548), (468, 595747), (522, 534118), (754, 369774), (1044, 267059), (1131, 246516), (1508, 184887), (2262, 123258), (3393, 82172), (4524, 61629), (6786, 41086), (13572, 20543)]