16641978

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 18028614

約数列:

[1, 2, 3, 6, 31, 62, 93, 131, 186, 262, 393, 683, 786, 1366, 2049, 4061, 4098, 8122, 12183, 21173, 24366, 42346, 63519, 89473, 127038, 178946, 268419, 536838, 2773663, 5547326, 8320989, 16641978]

約数ペア:

[(1, 16641978), (2, 8320989), (3, 5547326), (6, 2773663), (31, 536838), (62, 268419), (93, 178946), (131, 127038), (186, 89473), (262, 63519), (393, 42346), (683, 24366), (786, 21173), (1366, 12183), (2049, 8122), (4061, 4098)]