25643163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 19515237

約数列:

[1, 3, 7, 13, 21, 29, 39, 41, 79, 87, 91, 123, 203, 237, 273, 287, 377, 533, 553, 609, 861, 1027, 1131, 1189, 1599, 1659, 2291, 2639, 3081, 3239, 3567, 3731, 6873, 7189, 7917, 8323, 9717, 11193, 15457, 16037, 21567, 22673, 24969, 29783, 42107, 46371, 48111, 68019, 89349, 93931, 108199, 126321, 208481, 281793, 294749, 324597, 625443, 657517, 884247, 1221103, 1972551, 3663309, 8547721, 25643163]

約数ペア:

[(1, 25643163), (3, 8547721), (7, 3663309), (13, 1972551), (21, 1221103), (29, 884247), (39, 657517), (41, 625443), (79, 324597), (87, 294749), (91, 281793), (123, 208481), (203, 126321), (237, 108199), (273, 93931), (287, 89349), (377, 68019), (533, 48111), (553, 46371), (609, 42107), (861, 29783), (1027, 24969), (1131, 22673), (1189, 21567), (1599, 16037), (1659, 15457), (2291, 11193), (2639, 9717), (3081, 8323), (3239, 7917), (3567, 7189), (3731, 6873)]