81238716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10211}}^1$

素因数の和:10251

約数の個数: 72

約数和(自身を含む): 234181584

約数和(自身を除く): 152942868

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, 10211, 20422, 30633, 40844, 61266, 91899, 122532, 132743, 173587, 183798, 265486, 347174, 367596, 398229, 520761, 530972, 694348, 796458, 1041522, 1194687, 1562283, 1592916, 2083044, 2256631, 2389374, 3124566, 4513262, 4778748, 6249132, 6769893, 9026524, 13539786, 20309679, 27079572, 40619358, 81238716]

約数ペア:

[(1, 81238716), (2, 40619358), (3, 27079572), (4, 20309679), (6, 13539786), (9, 9026524), (12, 6769893), (13, 6249132), (17, 4778748), (18, 4513262), (26, 3124566), (34, 2389374), (36, 2256631), (39, 2083044), (51, 1592916), (52, 1562283), (68, 1194687), (78, 1041522), (102, 796458), (117, 694348), (153, 530972), (156, 520761), (204, 398229), (221, 367596), (234, 347174), (306, 265486), (442, 183798), (468, 173587), (612, 132743), (663, 122532), (884, 91899), (1326, 61266), (1989, 40844), (2652, 30633), (3978, 20422), (7956, 10211)]