681293412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5503}}^1$

素因数の和:5713

約数の個数: 72

約数和(自身を含む): 1823144960

約数和(自身を除く): 1141851548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 181, 228, 342, 362, 543, 684, 724, 1086, 1629, 2172, 3258, 3439, 5503, 6516, 6878, 10317, 11006, 13756, 16509, 20634, 22012, 30951, 33018, 41268, 49527, 61902, 66036, 99054, 104557, 123804, 198108, 209114, 313671, 418228, 627342, 941013, 996043, 1254684, 1882026, 1992086, 2988129, 3764052, 3984172, 5976258, 8964387, 11952516, 17928774, 18924817, 35857548, 37849634, 56774451, 75699268, 113548902, 170323353, 227097804, 340646706, 681293412]

約数ペア:

[(1, 681293412), (2, 340646706), (3, 227097804), (4, 170323353), (6, 113548902), (9, 75699268), (12, 56774451), (18, 37849634), (19, 35857548), (36, 18924817), (38, 17928774), (57, 11952516), (76, 8964387), (114, 5976258), (171, 3984172), (181, 3764052), (228, 2988129), (342, 1992086), (362, 1882026), (543, 1254684), (684, 996043), (724, 941013), (1086, 627342), (1629, 418228), (2172, 313671), (3258, 209114), (3439, 198108), (5503, 123804), (6516, 104557), (6878, 99054), (10317, 66036), (11006, 61902), (13756, 49527), (16509, 41268), (20634, 33018), (22012, 30951)]