221837796

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 572644800

約数和(自身を除く): 350807004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 229, 284, 379, 426, 458, 639, 687, 758, 852, 916, 1137, 1278, 1374, 1516, 2061, 2274, 2556, 2748, 3411, 4122, 4548, 6822, 8244, 13644, 16259, 26909, 32518, 48777, 53818, 65036, 80727, 86791, 97554, 107636, 146331, 161454, 173582, 195108, 242181, 260373, 292662, 322908, 347164, 484362, 520746, 585324, 781119, 968724, 1041492, 1562238, 3124476, 6162161, 12324322, 18486483, 24648644, 36972966, 55459449, 73945932, 110918898, 221837796]

約数ペア:

[(1, 221837796), (2, 110918898), (3, 73945932), (4, 55459449), (6, 36972966), (9, 24648644), (12, 18486483), (18, 12324322), (36, 6162161), (71, 3124476), (142, 1562238), (213, 1041492), (229, 968724), (284, 781119), (379, 585324), (426, 520746), (458, 484362), (639, 347164), (687, 322908), (758, 292662), (852, 260373), (916, 242181), (1137, 195108), (1278, 173582), (1374, 161454), (1516, 146331), (2061, 107636), (2274, 97554), (2556, 86791), (2748, 80727), (3411, 65036), (4122, 53818), (4548, 48777), (6822, 32518), (8244, 26909), (13644, 16259)]