81235908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7547}}^1$

素因数の和:7593

約数の個数: 72

約数和(自身を含む): 230787648

約数和(自身を除く): 149551740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 7547, 10764, 15094, 22641, 30188, 45282, 67923, 90564, 98111, 135846, 173581, 196222, 271692, 294333, 347162, 392444, 520743, 588666, 694324, 882999, 1041486, 1177332, 1562229, 1765998, 2082972, 2256553, 3124458, 3531996, 4513106, 6248916, 6769659, 9026212, 13539318, 20308977, 27078636, 40617954, 81235908]

約数ペア:

[(1, 81235908), (2, 40617954), (3, 27078636), (4, 20308977), (6, 13539318), (9, 9026212), (12, 6769659), (13, 6248916), (18, 4513106), (23, 3531996), (26, 3124458), (36, 2256553), (39, 2082972), (46, 1765998), (52, 1562229), (69, 1177332), (78, 1041486), (92, 882999), (117, 694324), (138, 588666), (156, 520743), (207, 392444), (234, 347162), (276, 294333), (299, 271692), (414, 196222), (468, 173581), (598, 135846), (828, 98111), (897, 90564), (1196, 67923), (1794, 45282), (2691, 30188), (3588, 22641), (5382, 15094), (7547, 10764)]