1663026625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 2320718400

約数和(自身を除く): 657691775

約数列:

[1, 5, 13, 25, 41, 65, 109, 125, 205, 229, 325, 533, 545, 1025, 1145, 1417, 1625, 2665, 2725, 2977, 4469, 5125, 5725, 7085, 9389, 13325, 13625, 14885, 22345, 24961, 28625, 35425, 46945, 58097, 66625, 74425, 111725, 122057, 124805, 177125, 234725, 290485, 324493, 372125, 558625, 610285, 624025, 1023401, 1173625, 1452425, 1622465, 3051425, 3120125, 5117005, 7262125, 8112325, 13304213, 15257125, 25585025, 40561625, 66521065, 127925125, 332605325, 1663026625]

約数ペア:

[(1, 1663026625), (5, 332605325), (13, 127925125), (25, 66521065), (41, 40561625), (65, 25585025), (109, 15257125), (125, 13304213), (205, 8112325), (229, 7262125), (325, 5117005), (533, 3120125), (545, 3051425), (1025, 1622465), (1145, 1452425), (1417, 1173625), (1625, 1023401), (2665, 624025), (2725, 610285), (2977, 558625), (4469, 372125), (5125, 324493), (5725, 290485), (7085, 234725), (9389, 177125), (13325, 124805), (13625, 122057), (14885, 111725), (22345, 74425), (24961, 66625), (28625, 58097), (35425, 46945)]