138998528

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 316963080

約数和(自身を除く): 177964552

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 41, 64, 68, 76, 82, 128, 136, 152, 164, 256, 272, 304, 323, 328, 544, 608, 646, 656, 697, 779, 1088, 1216, 1292, 1312, 1394, 1558, 1681, 2176, 2432, 2584, 2624, 2788, 3116, 3362, 4352, 4864, 5168, 5248, 5576, 6232, 6724, 10336, 10496, 11152, 12464, 13243, 13448, 20672, 22304, 24928, 26486, 26896, 28577, 31939, 41344, 44608, 49856, 52972, 53792, 57154, 63878, 82688, 89216, 99712, 105944, 107584, 114308, 127756, 178432, 199424, 211888, 215168, 228616, 255512, 423776, 430336, 457232, 511024, 542963, 847552, 914464, 1022048, 1085926, 1695104, 1828928, 2044096, 2171852, 3390208, 3657856, 4088192, 4343704, 7315712, 8176384, 8687408, 17374816, 34749632, 69499264, 138998528]

約数ペア:

[(1, 138998528), (2, 69499264), (4, 34749632), (8, 17374816), (16, 8687408), (17, 8176384), (19, 7315712), (32, 4343704), (34, 4088192), (38, 3657856), (41, 3390208), (64, 2171852), (68, 2044096), (76, 1828928), (82, 1695104), (128, 1085926), (136, 1022048), (152, 914464), (164, 847552), (256, 542963), (272, 511024), (304, 457232), (323, 430336), (328, 423776), (544, 255512), (608, 228616), (646, 215168), (656, 211888), (697, 199424), (779, 178432), (1088, 127756), (1216, 114308), (1292, 107584), (1312, 105944), (1394, 99712), (1558, 89216), (1681, 82688), (2176, 63878), (2432, 57154), (2584, 53792), (2624, 52972), (2788, 49856), (3116, 44608), (3362, 41344), (4352, 31939), (4864, 28577), (5168, 26896), (5248, 26486), (5576, 24928), (6232, 22304), (6724, 20672), (10336, 13448), (10496, 13243), (11152, 12464)]