28675764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 79252992

約数和(自身を除く): 50577228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 863, 923, 1278, 1726, 1846, 2556, 2589, 2769, 3452, 3692, 5178, 5538, 7767, 8307, 10356, 11076, 11219, 15534, 16614, 22438, 31068, 33228, 33657, 44876, 61273, 67314, 100971, 122546, 134628, 183819, 201942, 245092, 367638, 403884, 551457, 735276, 796549, 1102914, 1593098, 2205828, 2389647, 3186196, 4779294, 7168941, 9558588, 14337882, 28675764]

約数ペア:

[(1, 28675764), (2, 14337882), (3, 9558588), (4, 7168941), (6, 4779294), (9, 3186196), (12, 2389647), (13, 2205828), (18, 1593098), (26, 1102914), (36, 796549), (39, 735276), (52, 551457), (71, 403884), (78, 367638), (117, 245092), (142, 201942), (156, 183819), (213, 134628), (234, 122546), (284, 100971), (426, 67314), (468, 61273), (639, 44876), (852, 33657), (863, 33228), (923, 31068), (1278, 22438), (1726, 16614), (1846, 15534), (2556, 11219), (2589, 11076), (2769, 10356), (3452, 8307), (3692, 7767), (5178, 5538)]