648889208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 1362636000

約数和(自身を除く): 713746792

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 109, 122, 218, 244, 436, 488, 671, 872, 1109, 1199, 1342, 2218, 2398, 2684, 4436, 4796, 5368, 6649, 8872, 9592, 12199, 13298, 24398, 26596, 48796, 53192, 67649, 73139, 97592, 120881, 135298, 146278, 241762, 270596, 292556, 483524, 541192, 585112, 744139, 967048, 1329691, 1488278, 2659382, 2976556, 5318764, 5953112, 7373741, 10637528, 14747482, 29494964, 58989928, 81111151, 162222302, 324444604, 648889208]

約数ペア:

[(1, 648889208), (2, 324444604), (4, 162222302), (8, 81111151), (11, 58989928), (22, 29494964), (44, 14747482), (61, 10637528), (88, 7373741), (109, 5953112), (122, 5318764), (218, 2976556), (244, 2659382), (436, 1488278), (488, 1329691), (671, 967048), (872, 744139), (1109, 585112), (1199, 541192), (1342, 483524), (2218, 292556), (2398, 270596), (2684, 241762), (4436, 146278), (4796, 135298), (5368, 120881), (6649, 97592), (8872, 73139), (9592, 67649), (12199, 53192), (13298, 48796), (24398, 26596)]