1645784296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{809}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 3440102400

約数和(自身を除く): 1794318104

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 631, 806, 809, 1262, 1612, 1618, 2524, 3224, 3236, 5048, 6472, 8203, 10517, 16406, 19561, 21034, 25079, 32812, 39122, 42068, 50158, 65624, 78244, 84136, 100316, 156488, 200632, 254293, 326027, 508586, 510479, 652054, 1017172, 1020958, 1304108, 2034344, 2041916, 2608216, 4083832, 6636227, 13272454, 15824849, 26544908, 31649698, 53089816, 63299396, 126598792, 205723037, 411446074, 822892148, 1645784296]

約数ペア:

[(1, 1645784296), (2, 822892148), (4, 411446074), (8, 205723037), (13, 126598792), (26, 63299396), (31, 53089816), (52, 31649698), (62, 26544908), (104, 15824849), (124, 13272454), (248, 6636227), (403, 4083832), (631, 2608216), (806, 2041916), (809, 2034344), (1262, 1304108), (1612, 1020958), (1618, 1017172), (2524, 652054), (3224, 510479), (3236, 508586), (5048, 326027), (6472, 254293), (8203, 200632), (10517, 156488), (16406, 100316), (19561, 84136), (21034, 78244), (25079, 65624), (32812, 50158), (39122, 42068)]