251017664

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6659}}^1$

素因数の和:6721

約数の個数: 56

約数和(自身を含む): 541324800

約数和(自身を除く): 290307136

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 6659, 9424, 13318, 18848, 26636, 37696, 53272, 106544, 126521, 206429, 213088, 253042, 412858, 426176, 506084, 825716, 1012168, 1651432, 2024336, 3302864, 3922151, 4048672, 6605728, 7844302, 8097344, 13211456, 15688604, 31377208, 62754416, 125508832, 251017664]

約数ペア:

[(1, 251017664), (2, 125508832), (4, 62754416), (8, 31377208), (16, 15688604), (19, 13211456), (31, 8097344), (32, 7844302), (38, 6605728), (62, 4048672), (64, 3922151), (76, 3302864), (124, 2024336), (152, 1651432), (248, 1012168), (304, 825716), (496, 506084), (589, 426176), (608, 412858), (992, 253042), (1178, 213088), (1216, 206429), (1984, 126521), (2356, 106544), (4712, 53272), (6659, 37696), (9424, 26636), (13318, 18848)]