331380452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 647721984

約数和(自身を除く): 316341532

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 311, 403, 622, 661, 806, 1244, 1322, 1612, 2644, 4043, 8086, 8593, 9641, 16172, 17186, 19282, 20491, 34372, 38564, 40982, 81964, 125333, 205571, 250666, 266383, 411142, 501332, 532766, 822284, 1065532, 2672423, 5344846, 6372701, 10689692, 12745402, 25490804, 82845113, 165690226, 331380452]

約数ペア:

[(1, 331380452), (2, 165690226), (4, 82845113), (13, 25490804), (26, 12745402), (31, 10689692), (52, 6372701), (62, 5344846), (124, 2672423), (311, 1065532), (403, 822284), (622, 532766), (661, 501332), (806, 411142), (1244, 266383), (1322, 250666), (1612, 205571), (2644, 125333), (4043, 81964), (8086, 40982), (8593, 38564), (9641, 34372), (16172, 20491), (17186, 19282)]