161923664

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 373785600

約数和(自身を除く): 211861936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 149, 217, 248, 298, 313, 434, 496, 596, 626, 868, 1043, 1192, 1252, 1736, 2086, 2191, 2384, 2504, 3472, 4172, 4382, 4619, 5008, 8344, 8764, 9238, 9703, 16688, 17528, 18476, 19406, 32333, 35056, 36952, 38812, 46637, 64666, 67921, 73904, 77624, 93274, 129332, 135842, 155248, 186548, 258664, 271684, 326459, 373096, 517328, 543368, 652918, 746192, 1086736, 1305836, 1445747, 2611672, 2891494, 5223344, 5782988, 10120229, 11565976, 20240458, 23131952, 40480916, 80961832, 161923664]

約数ペア:

[(1, 161923664), (2, 80961832), (4, 40480916), (7, 23131952), (8, 20240458), (14, 11565976), (16, 10120229), (28, 5782988), (31, 5223344), (56, 2891494), (62, 2611672), (112, 1445747), (124, 1305836), (149, 1086736), (217, 746192), (248, 652918), (298, 543368), (313, 517328), (434, 373096), (496, 326459), (596, 271684), (626, 258664), (868, 186548), (1043, 155248), (1192, 135842), (1252, 129332), (1736, 93274), (2086, 77624), (2191, 73904), (2384, 67921), (2504, 64666), (3472, 46637), (4172, 38812), (4382, 36952), (4619, 35056), (5008, 32333), (8344, 19406), (8764, 18476), (9238, 17528), (9703, 16688)]