81078516

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 221096960

約数和(自身を除く): 140018444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 61, 62, 93, 108, 122, 124, 183, 186, 244, 279, 366, 372, 397, 549, 558, 732, 794, 837, 1098, 1116, 1191, 1588, 1647, 1674, 1891, 2196, 2382, 3294, 3348, 3573, 3782, 4764, 5673, 6588, 7146, 7564, 10719, 11346, 12307, 14292, 17019, 21438, 22692, 24217, 24614, 34038, 36921, 42876, 48434, 49228, 51057, 68076, 72651, 73842, 96868, 102114, 110763, 145302, 147684, 204228, 217953, 221526, 290604, 332289, 435906, 443052, 653859, 664578, 750727, 871812, 1307718, 1329156, 1501454, 2252181, 2615436, 3002908, 4504362, 6756543, 9008724, 13513086, 20269629, 27026172, 40539258, 81078516]

約数ペア:

[(1, 81078516), (2, 40539258), (3, 27026172), (4, 20269629), (6, 13513086), (9, 9008724), (12, 6756543), (18, 4504362), (27, 3002908), (31, 2615436), (36, 2252181), (54, 1501454), (61, 1329156), (62, 1307718), (93, 871812), (108, 750727), (122, 664578), (124, 653859), (183, 443052), (186, 435906), (244, 332289), (279, 290604), (366, 221526), (372, 217953), (397, 204228), (549, 147684), (558, 145302), (732, 110763), (794, 102114), (837, 96868), (1098, 73842), (1116, 72651), (1191, 68076), (1588, 51057), (1647, 49228), (1674, 48434), (1891, 42876), (2196, 36921), (2382, 34038), (3294, 24614), (3348, 24217), (3573, 22692), (3782, 21438), (4764, 17019), (5673, 14292), (6588, 12307), (7146, 11346), (7564, 10719)]