128121884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 270950400

約数和(自身を除く): 142828516

約数列:

[1, 2, 4, 11, 22, 29, 31, 41, 44, 58, 62, 79, 82, 116, 124, 158, 164, 316, 319, 341, 451, 638, 682, 869, 899, 902, 1189, 1271, 1276, 1364, 1738, 1798, 1804, 2291, 2378, 2449, 2542, 3239, 3476, 3596, 4582, 4756, 4898, 5084, 6478, 9164, 9796, 9889, 12956, 13079, 13981, 19778, 25201, 26158, 26939, 27962, 35629, 36859, 39556, 50402, 52316, 53878, 55924, 71021, 71258, 73718, 93931, 100409, 100804, 107756, 142042, 142516, 147436, 187862, 200818, 284084, 375724, 401636, 405449, 781231, 810898, 1033241, 1104499, 1562462, 1621796, 2066482, 2208998, 2911861, 3124924, 4132964, 4417996, 5823722, 11647444, 32030471, 64060942, 128121884]

約数ペア:

[(1, 128121884), (2, 64060942), (4, 32030471), (11, 11647444), (22, 5823722), (29, 4417996), (31, 4132964), (41, 3124924), (44, 2911861), (58, 2208998), (62, 2066482), (79, 1621796), (82, 1562462), (116, 1104499), (124, 1033241), (158, 810898), (164, 781231), (316, 405449), (319, 401636), (341, 375724), (451, 284084), (638, 200818), (682, 187862), (869, 147436), (899, 142516), (902, 142042), (1189, 107756), (1271, 100804), (1276, 100409), (1364, 93931), (1738, 73718), (1798, 71258), (1804, 71021), (2291, 55924), (2378, 53878), (2449, 52316), (2542, 50402), (3239, 39556), (3476, 36859), (3596, 35629), (4582, 27962), (4756, 26939), (4898, 26158), (5084, 25201), (6478, 19778), (9164, 13981), (9796, 13079), (9889, 12956)]