28541290

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 53032320

約数和(自身を除く): 24491030

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 659, 710, 1318, 3295, 4331, 6590, 8662, 21655, 40199, 43310, 46789, 80398, 93578, 200995, 233945, 401990, 467890, 2854129, 5708258, 14270645, 28541290]

約数ペア:

[(1, 28541290), (2, 14270645), (5, 5708258), (10, 2854129), (61, 467890), (71, 401990), (122, 233945), (142, 200995), (305, 93578), (355, 80398), (610, 46789), (659, 43310), (710, 40199), (1318, 21655), (3295, 8662), (4331, 6590)]