28330938

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 67651200

約数和(自身を除く): 39320262

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 53, 54, 57, 106, 114, 159, 171, 318, 342, 477, 513, 521, 954, 1007, 1026, 1042, 1431, 1563, 2014, 2862, 3021, 3126, 4689, 6042, 9063, 9378, 9899, 14067, 18126, 19798, 27189, 27613, 28134, 29697, 54378, 55226, 59394, 82839, 89091, 165678, 178182, 248517, 267273, 497034, 524647, 534546, 745551, 1049294, 1491102, 1573941, 3147882, 4721823, 9443646, 14165469, 28330938]

約数ペア:

[(1, 28330938), (2, 14165469), (3, 9443646), (6, 4721823), (9, 3147882), (18, 1573941), (19, 1491102), (27, 1049294), (38, 745551), (53, 534546), (54, 524647), (57, 497034), (106, 267273), (114, 248517), (159, 178182), (171, 165678), (318, 89091), (342, 82839), (477, 59394), (513, 55226), (521, 54378), (954, 29697), (1007, 28134), (1026, 27613), (1042, 27189), (1431, 19798), (1563, 18126), (2014, 14067), (2862, 9899), (3021, 9378), (3126, 9063), (4689, 6042)]