71911990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 132666336

約数和(自身を除く): 60754346

約数列:

[1, 2, 5, 10, 53, 106, 241, 265, 482, 530, 563, 1126, 1205, 2410, 2815, 5630, 12773, 25546, 29839, 59678, 63865, 127730, 135683, 149195, 271366, 298390, 678415, 1356830, 7191199, 14382398, 35955995, 71911990]

約数ペア:

[(1, 71911990), (2, 35955995), (5, 14382398), (10, 7191199), (53, 1356830), (106, 678415), (241, 298390), (265, 271366), (482, 149195), (530, 135683), (563, 127730), (1126, 63865), (1205, 59678), (2410, 29839), (2815, 25546), (5630, 12773)]