28160569731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1\times {\mathrm{2767}}^1$

素因数の和:3928

約数の個数: 64

約数和(自身を含む): 47193292800

約数和(自身を除く): 19032723069

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1109, 1311, 2767, 3059, 3327, 7763, 8301, 9177, 19369, 21071, 23289, 25507, 52573, 58107, 63213, 63641, 76521, 147497, 157719, 178549, 190923, 368011, 442491, 445487, 484633, 535647, 1104033, 1209179, 1336461, 1453899, 3068603, 3392431, 3627537, 8464253, 9205809, 10177293, 21480221, 25392759, 58303457, 64440663, 70577869, 174910371, 211733607, 408124199, 494045083, 1224372597, 1340979511, 1482135249, 4022938533, 9386856577, 28160569731]

約数ペア:

[(1, 28160569731), (3, 9386856577), (7, 4022938533), (19, 1482135249), (21, 1340979511), (23, 1224372597), (57, 494045083), (69, 408124199), (133, 211733607), (161, 174910371), (399, 70577869), (437, 64440663), (483, 58303457), (1109, 25392759), (1311, 21480221), (2767, 10177293), (3059, 9205809), (3327, 8464253), (7763, 3627537), (8301, 3392431), (9177, 3068603), (19369, 1453899), (21071, 1336461), (23289, 1209179), (25507, 1104033), (52573, 535647), (58107, 484633), (63213, 445487), (63641, 442491), (76521, 368011), (147497, 190923), (157719, 178549)]