13421556

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 35380800

約数和(自身を除く): 21959244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 71, 89, 118, 142, 177, 178, 213, 236, 267, 284, 354, 356, 426, 531, 534, 639, 708, 801, 852, 1062, 1068, 1278, 1602, 2124, 2556, 3204, 4189, 5251, 6319, 8378, 10502, 12567, 12638, 15753, 16756, 18957, 21004, 25134, 25276, 31506, 37701, 37914, 47259, 50268, 56871, 63012, 75402, 75828, 94518, 113742, 150804, 189036, 227484, 372821, 745642, 1118463, 1491284, 2236926, 3355389, 4473852, 6710778, 13421556]

約数ペア:

[(1, 13421556), (2, 6710778), (3, 4473852), (4, 3355389), (6, 2236926), (9, 1491284), (12, 1118463), (18, 745642), (36, 372821), (59, 227484), (71, 189036), (89, 150804), (118, 113742), (142, 94518), (177, 75828), (178, 75402), (213, 63012), (236, 56871), (267, 50268), (284, 47259), (354, 37914), (356, 37701), (426, 31506), (531, 25276), (534, 25134), (639, 21004), (708, 18957), (801, 16756), (852, 15753), (1062, 12638), (1068, 12567), (1278, 10502), (1602, 8378), (2124, 6319), (2556, 5251), (3204, 4189)]