78879996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5437}}^1$

素因数の和:5491

約数の個数: 72

約数和(自身を含む): 221696384

約数和(自身を除く): 142816388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 5437, 7254, 10874, 14508, 16311, 21748, 32622, 48933, 65244, 70681, 97866, 141362, 168547, 195732, 212043, 282724, 337094, 424086, 505641, 636129, 674188, 848172, 1011282, 1272258, 1516923, 2022564, 2191111, 2544516, 3033846, 4382222, 6067692, 6573333, 8764444, 13146666, 19719999, 26293332, 39439998, 78879996]

約数ペア:

[(1, 78879996), (2, 39439998), (3, 26293332), (4, 19719999), (6, 13146666), (9, 8764444), (12, 6573333), (13, 6067692), (18, 4382222), (26, 3033846), (31, 2544516), (36, 2191111), (39, 2022564), (52, 1516923), (62, 1272258), (78, 1011282), (93, 848172), (117, 674188), (124, 636129), (156, 505641), (186, 424086), (234, 337094), (279, 282724), (372, 212043), (403, 195732), (468, 168547), (558, 141362), (806, 97866), (1116, 70681), (1209, 65244), (1612, 48933), (2418, 32622), (3627, 21748), (4836, 16311), (5437, 14508), (7254, 10874)]