128774932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 303266880

約数和(自身を除く): 174491948

約数列:

[1, 2, 4, 11, 13, 17, 19, 22, 26, 34, 38, 41, 44, 52, 68, 76, 82, 143, 164, 187, 209, 221, 247, 286, 289, 323, 374, 418, 442, 451, 494, 533, 572, 578, 646, 697, 748, 779, 836, 884, 902, 988, 1066, 1156, 1292, 1394, 1558, 1804, 2132, 2431, 2717, 2788, 3116, 3179, 3553, 3757, 4199, 4862, 5434, 5491, 5863, 6358, 7106, 7514, 7667, 8398, 8569, 9061, 9724, 10127, 10868, 10982, 11726, 11849, 12716, 13243, 14212, 15028, 15334, 16796, 17138, 18122, 20254, 21964, 23452, 23698, 26486, 30668, 34276, 36244, 40508, 41327, 46189, 47396, 52972, 60401, 71383, 82654, 92378, 99671, 111397, 120802, 130339, 142766, 145673, 154037, 165308, 172159, 184756, 199342, 222794, 225131, 241604, 260678, 285532, 291346, 308074, 344318, 398684, 445588, 450262, 521356, 582692, 616148, 688636, 785213, 900524, 1570426, 1694407, 1893749, 2476441, 2926703, 3140852, 3388814, 3787498, 4952882, 5853406, 6777628, 7574996, 9905764, 11706812, 32193733, 64387466, 128774932]

約数ペア:

[(1, 128774932), (2, 64387466), (4, 32193733), (11, 11706812), (13, 9905764), (17, 7574996), (19, 6777628), (22, 5853406), (26, 4952882), (34, 3787498), (38, 3388814), (41, 3140852), (44, 2926703), (52, 2476441), (68, 1893749), (76, 1694407), (82, 1570426), (143, 900524), (164, 785213), (187, 688636), (209, 616148), (221, 582692), (247, 521356), (286, 450262), (289, 445588), (323, 398684), (374, 344318), (418, 308074), (442, 291346), (451, 285532), (494, 260678), (533, 241604), (572, 225131), (578, 222794), (646, 199342), (697, 184756), (748, 172159), (779, 165308), (836, 154037), (884, 145673), (902, 142766), (988, 130339), (1066, 120802), (1156, 111397), (1292, 99671), (1394, 92378), (1558, 82654), (1804, 71383), (2132, 60401), (2431, 52972), (2717, 47396), (2788, 46189), (3116, 41327), (3179, 40508), (3553, 36244), (3757, 34276), (4199, 30668), (4862, 26486), (5434, 23698), (5491, 23452), (5863, 21964), (6358, 20254), (7106, 18122), (7514, 17138), (7667, 16796), (8398, 15334), (8569, 15028), (9061, 14212), (9724, 13243), (10127, 12716), (10868, 11849), (10982, 11726)]