72171392

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{1951}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 152812320

約数和(自身を除く): 80640928

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 1088, 1156, 1951, 2176, 2312, 3902, 4624, 7804, 9248, 15608, 18496, 31216, 33167, 36992, 62432, 66334, 124864, 132668, 249728, 265336, 530672, 563839, 1061344, 1127678, 2122688, 2255356, 4245376, 4510712, 9021424, 18042848, 36085696, 72171392]

約数ペア:

[(1, 72171392), (2, 36085696), (4, 18042848), (8, 9021424), (16, 4510712), (17, 4245376), (32, 2255356), (34, 2122688), (64, 1127678), (68, 1061344), (128, 563839), (136, 530672), (272, 265336), (289, 249728), (544, 132668), (578, 124864), (1088, 66334), (1156, 62432), (1951, 36992), (2176, 33167), (2312, 31216), (3902, 18496), (4624, 15608), (7804, 9248)]