645565432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{5581}}^1$

素因数の和:6367

約数の個数: 32

約数和(自身を含む): 1276045200

約数和(自身を除く): 630479768

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 761, 1522, 3044, 5581, 6088, 11162, 14459, 22324, 28918, 44648, 57836, 106039, 115672, 212078, 424156, 848312, 4247141, 8494282, 16988564, 33977128, 80695679, 161391358, 322782716, 645565432]

約数ペア:

[(1, 645565432), (2, 322782716), (4, 161391358), (8, 80695679), (19, 33977128), (38, 16988564), (76, 8494282), (152, 4247141), (761, 848312), (1522, 424156), (3044, 212078), (5581, 115672), (6088, 106039), (11162, 57836), (14459, 44648), (22324, 28918)]