16690245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 32514048

約数和(自身を除く): 15823803

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 251, 341, 403, 429, 465, 715, 753, 1023, 1209, 1255, 1705, 2015, 2145, 2761, 3263, 3765, 4433, 5115, 6045, 7781, 8283, 9789, 13299, 13805, 16315, 22165, 23343, 35893, 38905, 41415, 48945, 66495, 85591, 101153, 107679, 116715, 179465, 256773, 303459, 427955, 505765, 538395, 1112683, 1283865, 1517295, 3338049, 5563415, 16690245]

約数ペア:

[(1, 16690245), (3, 5563415), (5, 3338049), (11, 1517295), (13, 1283865), (15, 1112683), (31, 538395), (33, 505765), (39, 427955), (55, 303459), (65, 256773), (93, 179465), (143, 116715), (155, 107679), (165, 101153), (195, 85591), (251, 66495), (341, 48945), (403, 41415), (429, 38905), (465, 35893), (715, 23343), (753, 22165), (1023, 16315), (1209, 13805), (1255, 13299), (1705, 9789), (2015, 8283), (2145, 7781), (2761, 6045), (3263, 5115), (3765, 4433)]