1881877172

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{1097}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 3798482688

約数和(自身を除く): 1916605516

約数列:

[1, 2, 4, 7, 14, 28, 197, 311, 394, 622, 788, 1097, 1244, 1379, 2177, 2194, 2758, 4354, 4388, 5516, 7679, 8708, 15358, 30716, 61267, 122534, 216109, 245068, 341167, 428869, 432218, 682334, 857738, 864436, 1364668, 1512763, 1715476, 2388169, 3025526, 4776338, 6051052, 9552676, 67209899, 134419798, 268839596, 470469293, 940938586, 1881877172]

約数ペア:

[(1, 1881877172), (2, 940938586), (4, 470469293), (7, 268839596), (14, 134419798), (28, 67209899), (197, 9552676), (311, 6051052), (394, 4776338), (622, 3025526), (788, 2388169), (1097, 1715476), (1244, 1512763), (1379, 1364668), (2177, 864436), (2194, 857738), (2758, 682334), (4354, 432218), (4388, 428869), (5516, 341167), (7679, 245068), (8708, 216109), (15358, 122534), (30716, 61267)]