128306768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1549}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 258316800

約数和(自身を除く): 130010032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 167, 248, 334, 496, 668, 1336, 1549, 2672, 3098, 5177, 6196, 10354, 12392, 20708, 24784, 41416, 48019, 82832, 96038, 192076, 258683, 384152, 517366, 768304, 1034732, 2069464, 4138928, 8019173, 16038346, 32076692, 64153384, 128306768]

約数ペア:

[(1, 128306768), (2, 64153384), (4, 32076692), (8, 16038346), (16, 8019173), (31, 4138928), (62, 2069464), (124, 1034732), (167, 768304), (248, 517366), (334, 384152), (496, 258683), (668, 192076), (1336, 96038), (1549, 82832), (2672, 48019), (3098, 41416), (5177, 24784), (6196, 20708), (10354, 12392)]