211380774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:737

約数の個数: 64

約数和(自身を含む): 474439680

約数和(自身を除く): 263058906

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 79, 142, 158, 213, 237, 426, 474, 571, 781, 869, 1142, 1562, 1713, 1738, 2343, 2607, 3426, 4686, 5214, 5609, 6281, 11218, 12562, 16827, 18843, 33654, 37686, 40541, 45109, 61699, 81082, 90218, 121623, 123398, 135327, 185097, 243246, 270654, 370194, 445951, 496199, 891902, 992398, 1337853, 1488597, 2675706, 2977194, 3202739, 6405478, 9608217, 19216434, 35230129, 70460258, 105690387, 211380774]

約数ペア:

[(1, 211380774), (2, 105690387), (3, 70460258), (6, 35230129), (11, 19216434), (22, 9608217), (33, 6405478), (66, 3202739), (71, 2977194), (79, 2675706), (142, 1488597), (158, 1337853), (213, 992398), (237, 891902), (426, 496199), (474, 445951), (571, 370194), (781, 270654), (869, 243246), (1142, 185097), (1562, 135327), (1713, 123398), (1738, 121623), (2343, 90218), (2607, 81082), (3426, 61699), (4686, 45109), (5214, 40541), (5609, 37686), (6281, 33654), (11218, 18843), (12562, 16827)]