388252618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 681504768

約数和(自身を除く): 293252150

約数列:

[1, 2, 13, 26, 31, 37, 47, 62, 74, 94, 277, 403, 481, 554, 611, 806, 962, 1147, 1222, 1457, 1739, 2294, 2914, 3478, 3601, 7202, 8587, 10249, 13019, 14911, 17174, 18941, 20498, 22607, 26038, 29822, 37882, 45214, 53909, 107818, 111631, 133237, 169247, 223262, 266474, 317719, 338494, 403589, 481703, 635438, 700817, 807178, 963406, 1401634, 4130347, 5246657, 6262139, 8260694, 10493314, 12524278, 14932793, 29865586, 194126309, 388252618]

約数ペア:

[(1, 388252618), (2, 194126309), (13, 29865586), (26, 14932793), (31, 12524278), (37, 10493314), (47, 8260694), (62, 6262139), (74, 5246657), (94, 4130347), (277, 1401634), (403, 963406), (481, 807178), (554, 700817), (611, 635438), (806, 481703), (962, 403589), (1147, 338494), (1222, 317719), (1457, 266474), (1739, 223262), (2294, 169247), (2914, 133237), (3478, 111631), (3601, 107818), (7202, 53909), (8587, 45214), (10249, 37882), (13019, 29822), (14911, 26038), (17174, 22607), (18941, 20498)]