291278221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 342921600

約数和(自身を除く): 51643379

約数列:

[1, 13, 17, 59, 89, 221, 251, 767, 1003, 1157, 1513, 3263, 4267, 5251, 13039, 14809, 19669, 22339, 55471, 68263, 89267, 192517, 251753, 290407, 379763, 1160471, 1318001, 3272789, 4936919, 17134013, 22406017, 291278221]

約数ペア:

[(1, 291278221), (13, 22406017), (17, 17134013), (59, 4936919), (89, 3272789), (221, 1318001), (251, 1160471), (767, 379763), (1003, 290407), (1157, 251753), (1513, 192517), (3263, 89267), (4267, 68263), (5251, 55471), (13039, 22339), (14809, 19669)]