78771868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 163975168

約数和(自身を除く): 85203300

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 151, 217, 302, 434, 601, 604, 868, 1057, 1202, 2114, 2404, 4207, 4228, 4681, 8414, 9362, 16828, 18631, 18724, 32767, 37262, 65534, 74524, 90751, 130417, 131068, 181502, 260834, 363004, 521668, 635257, 1270514, 2541028, 2813281, 5626562, 11253124, 19692967, 39385934, 78771868]

約数ペア:

[(1, 78771868), (2, 39385934), (4, 19692967), (7, 11253124), (14, 5626562), (28, 2813281), (31, 2541028), (62, 1270514), (124, 635257), (151, 521668), (217, 363004), (302, 260834), (434, 181502), (601, 131068), (604, 130417), (868, 90751), (1057, 74524), (1202, 65534), (2114, 37262), (2404, 32767), (4207, 18724), (4228, 18631), (4681, 16828), (8414, 9362)]