31321428

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 74941440

約数和(自身を除く): 43620012

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 163, 201, 239, 268, 326, 402, 478, 489, 652, 717, 804, 956, 978, 1434, 1956, 2868, 10921, 16013, 21842, 32026, 32763, 38957, 43684, 48039, 64052, 65526, 77914, 96078, 116871, 131052, 155828, 192156, 233742, 467484, 2610119, 5220238, 7830357, 10440476, 15660714, 31321428]

約数ペア:

[(1, 31321428), (2, 15660714), (3, 10440476), (4, 7830357), (6, 5220238), (12, 2610119), (67, 467484), (134, 233742), (163, 192156), (201, 155828), (239, 131052), (268, 116871), (326, 96078), (402, 77914), (478, 65526), (489, 64052), (652, 48039), (717, 43684), (804, 38957), (956, 32763), (978, 32026), (1434, 21842), (1956, 16013), (2868, 10921)]