178142796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22391}}^1$

素因数の和:22431

約数の個数: 72

約数和(自身を含む): 513493344

約数和(自身を除く): 335350548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 22391, 44782, 67173, 89564, 134346, 201519, 268692, 291083, 380647, 403038, 582166, 761294, 806076, 873249, 1141941, 1164332, 1522588, 1746498, 2283882, 2619747, 3425823, 3492996, 4567764, 4948411, 5239494, 6851646, 9896822, 10478988, 13703292, 14845233, 19793644, 29690466, 44535699, 59380932, 89071398, 178142796]

約数ペア:

[(1, 178142796), (2, 89071398), (3, 59380932), (4, 44535699), (6, 29690466), (9, 19793644), (12, 14845233), (13, 13703292), (17, 10478988), (18, 9896822), (26, 6851646), (34, 5239494), (36, 4948411), (39, 4567764), (51, 3492996), (52, 3425823), (68, 2619747), (78, 2283882), (102, 1746498), (117, 1522588), (153, 1164332), (156, 1141941), (204, 873249), (221, 806076), (234, 761294), (306, 582166), (442, 403038), (468, 380647), (612, 291083), (663, 268692), (884, 201519), (1326, 134346), (1989, 89564), (2652, 67173), (3978, 44782), (7956, 22391)]